Book Image

The MySQL Workshop

By : Thomas Pettit, Scott Cosentino
5 (1)
Book Image

The MySQL Workshop

5 (1)
By: Thomas Pettit, Scott Cosentino

Overview of this book

Do you want to learn how to create and maintain databases effectively? Are you looking for simple answers to basic MySQL questions as well as straightforward examples that you can use at work? If so, this workshop is the right choice for you. Designed to build your confidence through hands-on practice, this book uses a simple approach that focuses on the practical, so you can get straight down to business without having to wade through pages and pages of dull, dry theory. As you work through bite-sized exercises and activities, you'll learn how to use different MySQL tools to create a database and manage the data within it. You'll see how to transfer data between a MySQL database and other sources, and use real-world datasets to gain valuable experience of manipulating and gaining insights from data. As you progress, you'll discover how to protect your database by managing user permissions and performing logical backups and restores. If you've already tried to teach yourself SQL, but haven't been able to make the leap from understanding simple queries to working on live projects with a real database management system, The MySQL Workshop will get you on the right track. By the end of this MySQL book, you'll have the knowledge, skills, and confidence to advance your career and tackle your own ambitious projects with MySQL.
Table of Contents (22 chapters)
1
Section 1: Creating Your Database
6
Section 2: Managing Your Database
11
Section 3: Querying Your Database
16
Section 4: Protecting Your Database

Activity 4.01 – collecting information for a travel article

For a travel magazine, you need to collect some information from the world schema to add bits of trivia to some of the articles in next month's edition. The information that is requested is this:

  • What is the population size of the smallest city in the database?
  • How many languages are spoken in India?
  • Which languages are spoken in more than 20 countries?
  • What are the five biggest cities in the "Southern and Central Asia" region?
  • How many cities have a name that ends with "ester"?

Follow these steps to complete this activity:

  1. Connect to the world schema with a MySQL client.
  2. For each question, follow a few basic steps:
    • Select the tables that we need.
    • Filter out the rows that we need.
    • Aggregate the rows if needed.
    • Select the fields that we need.

      Note

      The solution for this activity can be found in the Appendix.

In this activity, you collected the required...